Kalaris Therapeutics Inc is a clinical stage biopharmaceutical company focused on developing and commercializing therapeutics. Kalaris is developing TH103, a novel, clinical stage anti-vascular endothelial growth factor (VEGF) drug, engineered to potentially provide longer lasting and increased anti-VEGF activity in patients with exudative and neovascular retinal diseases. TH103 is a fully humanized recombinant fusion protein, functioning as a decoy receptor (a VEGF trap), leveraging salient molecular properties of the human body native, highest affinity VEGF receptor 1.